Many underground conversations go on within Twitter that never make it to the blogosphere or news sites. It can be a dynamite location for link bait ideas, breaking stories, and general topics you might not think about on a daily basis. You might even find yourself obtaining clientèle through it.

I should note this list is dynamic, as Marketing Pilgrim is encouraging self-listing via its comments. 75+ is fast becoming 175+. Expect to see some massive followers/following increases among this set, especially as this post comtinues to be dugg. This is a great idea!